Bartkiewicz, Anna; Sanna, Alberto; Szymczak, Marian; Moscadelli, Luca; van Langevelde, Huib Jan; Wolak, Paweł
(2020-05)
Context. Ring-like distributions of the 6.7 GHz methanol maser spots at milliarcsecond scales represent a family of molecular structures of unknown origin associated with high-mass young stellar objects.
Aims: We aim to ...